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PowerMac G5 fails Hardware Test - but works fine...?
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Addicted to MacNN
Join Date: Jan 2003
Location: ~/
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I was having trouble with my Radeon X800XT (now solved), but as part of the process, I booted and ran the Apple hardware test DVD that came with my machine (DP2.5GHz, purchased in January; has rev. 1 of the cooling/radiator system).
Anyway, the machine fails the logic board test right away with a fault in CPU A.
Thing is, this machine never crashes. Its by far the most stable machine I've used.
Is my machine a time bomb waiting to go off?
I'll most likely take the machine in to my local Apple store to be inspected, but has anyone ever seen anything like this?
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Mac Elite
Join Date: Sep 2000
Location: in front of the keyboard
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run Activity monitor and make sure both CPUs are seeing a load.
in View, click dock icon -> show cpu history.
I'd hate to think that all this time, you've been running on one CPU, but it's possible.
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signatures are a waste of bandwidth
especially ones with political tripe in them.
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Moderator  Join Date: May 2001
Location: Hilbert space
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If the machine fails the AHT, send it in for repair. Don't wait until it fails.
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I don't suffer from insanity, I enjoy every minute of it.
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Junior Member
Join Date: Apr 2005
Location: UK
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I had this with my old dual 2.0 - it ran fine.
It got sent off for noisy fans. I was shocked to then be told I'd been running a single CPU the whole time as one was dead.
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Dedicated MacNNer
Join Date: Oct 2001
Location: Washington DC
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Get it fixed ASAP. You might very well be running on one processor.
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Mac Elite
Join Date: Sep 2000
Location: in front of the keyboard
Status:
Offline
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do what I said, and let us know if it really is running on one CPU.....we're curious!
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signatures are a waste of bandwidth
especially ones with political tripe in them.
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Addicted to MacNN
Join Date: Jan 2003
Location: ~/
Status:
Offline
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Oh, I've checked. Both processors are running... I usually leave the CPU monitor bar graph visible in the corner anyway. No problem cranking away with multiprocessor-aware apps, either.
Like I said, all is running fine, but it fails the AHT DVD.
I'll take it in as soon as I've got time.
Weird, though.
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